Color

#511f3b

#511f3b
hex#511f3b
rgbrgb(81, 31, 59)
hslhsl(326, 45%, 22%)
oklchoklch(0.323 0.083 348)
Closest name: Drops of God (#571e2f)Relative luminance 0.0305

Colors that go with #511f3b

Charcoal, Dark Olive Green and Teal lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#1f5135

#4e1f51 · #511f22

#3b511f · #1f3b51

Split-complementary

Open in tool →

#22511f · #1f514e

#514e1f · #1f5135 · #1f2251

Contrast

#511f3b as textRatioAAAA largeAAAFix
Aaon white
13.05:1passpasspassPasses AAA — no fix needed.
Aaon black
1.61:1failfailfail
  • AA: use #bc4e8c as the text (4.61:1)
  • AAA: use #ce7eab as the text (7.2:1)
  • AA: or shift the background to #999999 (4.58:1)
  • AAA: or shift the background to #bfbfbf (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #511f3b as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#511f3b reads as warm, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #511f3b
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #511f3b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/511f3b-c19fae-67cb62-2d1f21-f1e9f1?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md